EP 0260234 A2 19880316 - Improved labyrinth seal.
Title (en)
Improved labyrinth seal.
Title (de)
Labyrinthdichtung.
Title (fr)
Joint à labyrinthe.
Publication
Application
Priority
US 90675286 A 19860912
Abstract (en)
An erosion resistant labyrinth seal for use in a rotating machine, such as a turbine or a compressor, that has bleed holes formed in the labyrinth cavities for carrying away erosion producing contaminants entrained in a controlled flow of fluid passing through the seal. Material removed from the flow is vented away from the seal.
IPC 1-7
IPC 8 full level
F16J 15/447 (2006.01); F01D 11/02 (2006.01); F16J 15/44 (2006.01)
CPC (source: EP KR US)
F01D 11/02 (2013.01 - EP US); F16J 15/16 (2013.01 - KR); F16J 15/443 (2013.01 - EP US); F05D 2210/42 (2013.01 - EP US); F05D 2210/43 (2013.01 - EP US); F05D 2260/607 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE FR GB IT LI SE
DOCDB simple family (publication)
US 4721313 A 19880126; EP 0260234 A2 19880316; EP 0260234 A3 19891227; JP S6376961 A 19880407; KR 880004260 A 19880602
DOCDB simple family (application)
US 90675286 A 19860912; EP 87850219 A 19870706; JP 19275787 A 19870803; KR 870009628 A 19870831